Determine which is true.
?
A. ?The set of whole numbers is a subset of the set of natural numbers.
B. ?The set of integers is a subset of the set of natural numbers.
C. ?The set of integers is a subset of the set of rational numbers.
D. ?The set of rational numbers is a subset of the set of integers.
E. The set of even, negative integers is a subset of the set of natural numbers.
Answer: C
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Find T, N, and B for the given space curve.r(t) = (cosh t)i + (sinh t)j + k
A. T = - 
(tanh t sech t)i + 
j + 
(sech t)k; N = (-sech t)i - (tanh t)k; 
B. T = - 
(tanh t)i + 
j + 
(sech t)k; N = (-sech t)i - (sinh t)k ; 
C. T = 
(tanh t sech t)i + 
j + 
(sech t)k; N = (sech2 t)i - (sinh t)k; 
D. T = 
(tanh t)i + 
j + 
(sech t)k; N = (sech t)i - (tanh t)k; 
Write the fraction or mixed number as a decimal. Round to the nearest thousandth if necessary.10
A. 1.75 B. 4.25 C. 14.333 D. 10.75
Find the exact values of the remaining trigonometric functions of ? from the given information.cos ? = 
, sin ? < 0
A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = 
cos ? = 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
D. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
Find the graph of the linear inequality.
?
?
?
A. ?
B. ?
C. ?
D. ?
